Home / 2,946.28-4,065.32-2,002.84

Finding the Fourth Proportional to 2,946.28, 4,065.32 and 2,002.84

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Solution

The fourth proportional to 2,946.28, 4,065.32 and 2,002.84 is: 2,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.28 : 4,065.32 = 2,002.84 : x
  2. Step 2: Convert to fraction form
    2,946.28/4,065.32 = 2,002.84/x
  3. Step 3: Cross multiply
    2,946.28x = 4,065.32 × 2,002.84
  4. Step 4: Simplify right side
    2,946.28x = 8,142,185.51
  5. Step 5: Solve for x
    x = 8,142,185.51/2,946.28
  6. Step 6: Final answer
    x = 2,763.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.